Melody effect: The chiming pendulum movement plays the Westminster melody on the hour and automatically silences the chimes after 9 PM until 6 AM. Practical tools for you: These pendulum trigger clock movement replacement parts are suitable for designing and creating your own pendulum clock, allowing you to replace existing mechanisms or customize the appearance. Please note that the hands are made of aluminum; avoid applying excessive pressure during installation as they may bend. Type: Quartz Pendulum Trigger Clock Movement Chime Melody Kit Pendulum clock movement size: Total shaft length is 17 mm (0.67 inch), thread length is 9.7 mm (0.38 inch). Jump second movement, suitable for clock panels with a thickness of 26 mm (0.080.24 inch). Hole center to tip hand size: Hour hands measure approximately 70.5 mm (2.78 inch), 70 mm (2.76 inch), and 82 mm (3.2 inch). Minute hands measure approximately 101 mm (3.98 inch), 92 mm (3.6 inch), and 117 mm (4.6 inch). Includes two second hands measuring approximately 100 mm (3.9 inch) each and one second hand cap measuring approximately 7 mm (0.28 inch). Color: As shown Material: Plastic + aluminum Package Contents: 1 x Swing movement (110 x 56 x 20 mm) 1 x Gold pendulum 1 x Music box 3 x Hour hand 3 x Minute hand 2 x Second hand 1 x Second hand cap Only the above package content is included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement error allowance is +/- 13 cm.